NCP631GD2TR4G

Current - Output:	3A
Base Part Number:	NCP631
Supplier Device Package:	D2PAK-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Soft Start
PSRR:	76dB (1kHz)
Current - Supply (Max):	2mA
Current - Quiescent (Iq):	1mA
Series:	--
Voltage Dropout (Max):	1.25V @ 3A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.47V
Voltage - Input (Max):	9V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction of NCP631GD2TR4G

NCP631GD2TR4G is a linear voltage regulator IC (Integrated Circuit) made by ON Semiconductor, packaged in the SOIC-8 (Small Outline IC) style. It has full integrated protection features, and can be used in applications such as automotive, industrial, consumer and digital telecom - all requiring low noise, high performance, and low power.

Applications of NCP631GD2TR4G

NCP631GD2TR4G is used in many industrial application including automotive and telecommunication. It is ideal for applications such as voltage conversion, Step-up or Step-down. It is used in automotive audio amplifiers, automotive ECU circuits, safety power control modules, charging control modules, vocal amplifier circuits, and wireless base station power supply applications.In automotive applications, NCP631GD2TR4G can provide excellent performance when used in motor control and audio amplifiers, providing high-efficiency conversion and high-precision regulation. It can also be used for step-up to convert 12V DC to 24V DC for high power applications, such as motor drives.Furthermore, NCP631GD2TR4G can be used in telecommunications, providing low noise and excellent power efficiency when used in base stations and other communication devices. It is also used in consumer electronics, providing high quality power conversion, noise suppression, and other power requirements.

Features of NCP631GD2TR4G

NCP631GD2TR4G offers a variety of features such as:• 2.5 V to 32 VDC input voltage• 3.3 V, 5.0 V, or adjustable output voltage• Internal thermally-limited and line-limited short circuit protection• Overload and under voltage protection• High efficiency – up to 95%• Low output noise• Low dropout voltage• Excellent power supply rejection (PSRR)• Fast transient response• RoHS Compliant

Working Principle of NCP631GD2TR4G

NCP631GD2TR4G utilizes a voltage reference and an error amplifier to set the output voltage. This is done by comparing the output voltage and the reference voltage. The error amplifier then feeds this error signal back to the control switch, which adjusts the output voltage to match the reference voltage by adjusting the duty cycle of the control switch.To balance performance with power efficiency, NCP631GD2TR4G can be synchronized to an external clock signal. This allows the control switch to be shut off completely during periods of low or no load, which improves efficiency while maintaining excellent line and load regulation.In short, NCP631GD2TR4G utilizes an error amplifier and a control switch to provide low-noise voltage conversion with high efficiency.

Conclusion

NCP631GD2TR4G is a linear voltage regulator IC made by ON Semiconductor, packaged in the SOIC-8 style. It has full integrated protection capabilities, and can be used in automotive, industrial, consumer, and digital telecom applications requiring low noise, high performance, and low power. It offers features such as adjustable output voltage range, overload protection, high efficiency conversion, temperature protection, and fast transient response. The working principle behind the NCP631GD2TR4G is the comparison of the reference voltage and the output voltage, and an error amplifier feeds this error signal back to the control switch to adjust the output voltage accordingly.

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